/home/ubuntu/boost/libs/gil/include/boost/gil/channel.hpp:34: warning: preprocessing issue while doing constant expression evaluation: syntax error
/home/ubuntu/boost/libs/gil/include/boost/gil/version.hpp:11: warning: documentation for unknown define BOOST_GIL_API_VERSION found.

/home/ubuntu/boost/libs/gil/include/boost/gil/concepts.hpp:131: warning: Found unknown command `\codeauto'
/home/ubuntu/boost/libs/gil/include/boost/gil/concepts.hpp:135: warning: unexpected command endcode
